Python ProgrammingPython Programming

Python flatten list of lists

thelist = [[1, 2, 3], [4, 5, 6], [7], [8, 9]]

flat_list = [item for sublist in thelist for item in sublist]
print(flat_list)
Output
[1, 2, 3, 4, 5, 6, 7, 8, 9]
How to create and print list in python?
How to access an item from list in Python?
How to update value of list item in python?
How to iterate over list in python?
How to check if Item exists in list in python?
How to get the length of list in python?
How to add an item to the end of the list in python?
How to add Item at specific position in list in python?
How to delete or remove a specific list item in python?
How to delete or truncate list in Python?
How to concatenate or merge two or multiple lists in Python?
Tricks of List Slicing in Python
How to get first and last item from list in Python?
How to remove duplicate items from list in python?
How to get unique collection of list items in python?
How to shuffle list items in Python?
Python Create List from Dictionary Items
Create a list of dictionaries from a list of keys and multiple lists of values
How to get a list of values from a list of Dictionary in Python?
How to group list of dictionaries by values in Python?
Python search values in list of dictionaries
Loop through a list and create a new list with specific items
Python create list of dictionaries
Creating a dictionary from two lists in Python
Python Initialize list with empty dictionaries
Append a dictionary to a list in a loop Python
Python list of dictionaries get value
Python create list of dictionaries from two lists
How to get specific key value from list of dictionary in Python?
How can I get list of values from dictionary?
Iterate list of dictionaries Python
Print all values of a given key of dictionaries in a list
Iterating over list of dictionaries in Python
Count number of occurrences for each element in List in Python
How to iterate through two lists in parallel?
Get difference between two lists in Python
Compute list difference in Python
How to subtract two lists in Python?
Print all items from List that differ from the item at the same index in another List
Print all items from list two that differ from the item at the same index in list one
Comparing two lists element-wise in Python
Python flatten list of lists
How to make a flat list out of a list of lists?
Join list of lists in Python
Python initializing a list of lists
Remove the duplicate lists of list in Python
How to create a list of empty lists in Python?
Fastest way to create a list of n lists in Python
Create an empty list in Python with certain size
How to split a string into a list?
How would you make a comma-separated string from a list of strings?
How to find the index of the minimum value of a list in Python?
How to find the index of the maximum value of a list in Python?
Python program to find Maximum and minimum element’s position in a list?
How to find all positions of the minimum value in a list?
How to find all positions of the maximum value in a list?
Program to find largest sequence in a given list of numbers in Python
Find the largest consecutive set of numbers in a list that are not adjacent
How to get N Largest and Smallest list of elements from a list?
Get the second largest number in a list
Identify groups of continuous numbers in a list
Create empty list of lists Python
Python longest consecutive
Detecting consecutive integers in a list
How can I generate a list of consecutive numbers?
How to find start and end index of longest sequence?
How do I find the duplicates in a list and create another list with them?
Identify duplicate values in a list in Python
How do I check if there are duplicates in a flat list?
Python list comprehension if else
Finding the average of a list
List of alphabets Python
Compare two unordered lists in Python
How to print only the duplicate elements of List in Python?
Python list comprehension multiple conditions
Python list comprehension multiple variables
Find Median of List in Python
Python list lowercase letters
Python list uppercase letters
Python list of letters a-z
Python list alphanumeric characters
Find the most common element in a list
How to find the most common element in a list in Python
How to find the most common list item in Python?
How to find common elements between two lists in Python?
How to compare common elements in two lists in Python?
How to add two list items element-wise in Python?
Different ways to transpose list of lists in Python
How to find longest string in List in Python?
How to access multiple elements of list knowing their index in Python?
How to multiply all items of a list together in Python?
How to generate permutations between two lists of unequal length in Python?
How to deep copy a list in Python?
©2017-20 PythonProgramming.in

Drop us a line

To top